Compare Viread vs. Videx

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Viread
(tenofovir)

Videx
(didanosine or ddl)

Works with other medicines to treat HIV infection. Also treats Hepatitis B Virus. tenofovir can be a good choice to take within the Nucleoside Reverse Transcriptase Inhibitor (NRTI) drug class. It may not be the best choice though for people with kidney problems.Works with other medicines to treat HIV infection. Within the Nucleoside Reverse Transcriptase Inhibitor (NRTI) drug class, Videx can be a difficult drug to take. Videx has numerous serious side effects. It is also difficult taking Videx twice a day on an empty stomach.
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Coupons for Viread
Best available price for 30 (300mg) tablets of tenofovir
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Reviews & ratings
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Reviews for Viread (tenofovir)
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of people (All ages) say Viread (tenofovir) is worth it
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say it works well
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say it's a big hassle
Have you used Viread (tenofovir)?
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Reviews for Videx (didanosine or ddl)
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Same vs. Viread (tenofovir)
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Same vs. Viread (tenofovir)
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Same vs. Viread (tenofovir)
Have you used Videx (didanosine or ddl)?
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Side effects
VireadVidex

We haven’t found good data for Viread side effects.

FDA side effect reports for Viread »

We haven’t found good data for Videx side effects.

FDA side effect reports for Videx »
How it works
VireadVidex
tenofovir stops the replication of the human immunodeficiency virus (HIV) within important cells of the body by preventing the virus from taking over normal functions of the cell for its own purposes.Videx stops the replication of the human immunodeficiency virus (HIV) within important cells of the body by preventing the virus from taking over normal functions of the cell for its own purposes.
Type of medication
VireadVidex
Prescription only
Available as
VireadVidex
  • Pill
  • Liquid
  • Extended release
  • Liquid
  • Pill
Used for
VireadVidex
  • HIV Infection
  • HIV Infection
Risk factors for serious side effects
VireadVidex
  • Women
  • Obesity
  • Liver disease
  • Kidney damage
  • Prior bone fractures
Detailed Viread (tenofovir) risks & warnings »
  • Kidney problems
  • Use of stavudine, another HIV drug
  • Women
  • Use of hydroxyurea, stavudine, and Videx together
Detailed Videx (didanosine or ddl) risks & warnings »
Pregnancy

Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

Kidneys and liver
VireadVidex
  • The dose of tenofovir depends on how your kidneys work. It is really important to consistently monitor them with your doctor.
  • Don't take other drugs that can hurt your kidneys while taking tenofovir without talking to your doctor. That sadly includes non-steroidal anti-inflammatory drugs (NSAIDs), like aspirin, Advil, and Aleve.
  • tenofovir can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use tenofovir. It may not be a good choice for people with liver problems.
  • Severe worsening of Hepatitis B has been seen in patients who have stopped taking tenofovir. Liver function should be closely watched in people who have both HIV and HBV.
  • tenofovir is removed from the body by the kidney. Kidney (renal) damage, including cases of renal failure and Fanconi syndrome (injury to the tubes inside of the kidney), has been reported with the use of tenofovir. Your doctor must continually monitor the function of your kidneys while you are taking tenofovir.
  • May cause serious side effects in your liver, kidneys, and pancreas.
  • Videx can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use Videx. It may not be a good choice for people with liver problems.
Upsides and benefits
VireadVidex
  • Take tenofovir once a day, with or without food.
  • For people who can't swallow the tablet, take the powder instead.
  • tenofovir is used for HIV in kids 2 years and older, and chronic hepatitis B in kids 12 years and older.
  • The oral solution can be stored in the refrigerator for up to 30 days.
  • While Videx doesn’t cure HIV, it does reduce the number of viral copies being made in your blood, giving your healthy immune cells (CD4 cells) a better chance to do their job.
Downsides and risks
VireadVidex
  • The tenofovir powder can't be mixed in a liquid, so mix into soft food like applesauce and yogurt.
  • The dose of tenofovir depends on how your kidneys work. It is really important to consistently monitor them with your doctor.
  • Must take on an empty stomach at least 30 minutes before, or 2 hours after eating.
  • Take twice a day.
  • The amount of Videx you will take is based on your body weight, kidney, and liver function.
  • May cause serious side effects in your liver, kidneys, and pancreas.
  • Can cause significant tingling in your hands or feet.
Tips from our pharmacists for people taking the medication
VireadVidex
  • Don't take other drugs that can hurt your kidneys while taking tenofovir without talking to your doctor. That sadly includes non-steroidal anti-inflammatory drugs (NSAIDs), like aspirin, Advil, and Aleve.
  • People with HIV should be tested for Hepatitis B virus (HBV) before starting tenofovir.
  • Similarly, patients with chronic hepatitis B, should be tested for HIV before starting tenofovir.
  • Decreases in bone mineral density can happen while taking tenofovir.
  • Work with your doctor to monitor your kidney function and bone mineral density regularly.
  • Talk with your doctor about all other medications you are taking since Videx interacts with many other drugs.
  • Work with your doctor to get regular blood tests. The goal is to make sure the drug is working well and safely.
  • Keep an eye out for any new symptoms or side effects you may start to feel while taking Videx and report them to your doctor.
  • Read the Medication Guide given to you at the pharmacy about Videx since it contains helpful information.
Learn more
More about VireadSide effectsAlternativesFDA package insert
Have you used Viread (tenofovir)?
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More about VidexSide effectsAlternativesFDA package insert
Have you used Videx (didanosine or ddl)?
Worth itNot sureNot worth it